Tests that virtual time survives cross-process navigation.
Request to http://a.com/, type: Document
@ 0
Request to http://b.com/, type: Document
@ 1000
Request to http://c.com/, type: Document
@ 2000
Request to http://d.com/, type: Document
@ 3000
Tests that virtual time survives cross-process navigation.
Request to http://a.com/, type: Document
@ 0
Request to http://b.com/, type: Document
@ 1000
Request to http://c.com/, type: Document
@ 2000
Request to http://d.com/, type: Document
@ 3000